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AM60A Magnesium vs. 7175 Aluminum

AM60A magnesium belongs to the magnesium alloys classification, while 7175 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AM60A magnesium and the bottom bar is 7175 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 8.8
3.8 to 5.9
Fatigue Strength, MPa 70
150 to 180
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
26
Shear Strength, MPa 130
290 to 330
Tensile Strength: Ultimate (UTS), MPa 230
520 to 570
Tensile Strength: Yield (Proof), MPa 130
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 350
380
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 550
480
Specific Heat Capacity, J/kg-K 1000
870
Thermal Conductivity, W/m-K 62
140
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
33
Electrical Conductivity: Equal Weight (Specific), % IACS 69
99

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 1.7
3.0
Embodied Carbon, kg CO2/kg material 23
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1310 to 1730
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
46
Strength to Weight: Axial, points 37
48 to 52
Strength to Weight: Bending, points 49
48 to 51
Thermal Diffusivity, mm2/s 37
53
Thermal Shock Resistance, points 14
23 to 25

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
88 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0 to 0.35
1.2 to 2.0
Iron (Fe), % 0
0 to 0.2
Magnesium (Mg), % 91.8 to 94.4
2.1 to 2.9
Manganese (Mn), % 0.13 to 0.6
0 to 0.1
Nickel (Ni), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.15
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.22
5.1 to 6.1
Residuals, % 0
0 to 0.15